JPH0543452Y2 - - Google Patents
Info
- Publication number
- JPH0543452Y2 JPH0543452Y2 JP1989048087U JP4808789U JPH0543452Y2 JP H0543452 Y2 JPH0543452 Y2 JP H0543452Y2 JP 1989048087 U JP1989048087 U JP 1989048087U JP 4808789 U JP4808789 U JP 4808789U JP H0543452 Y2 JPH0543452 Y2 JP H0543452Y2
- Authority
- JP
- Japan
- Prior art keywords
- winding groove
- metal piece
- magnetic
- bobbin
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004804 winding Methods 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 29
- 239000000696 magnetic material Substances 0.000 claims description 15
- 229920003002 synthetic resin Polymers 0.000 claims description 11
- 239000000057 synthetic resin Substances 0.000 claims description 11
- 239000006247 magnetic powder Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 230000035699 permeability Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は主に遅延線やフイルタを構成する場合
に用いられ、コイルが複数区間に分けて巻回され
る多連インダクタ用ボビンに関する。[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a bobbin for a multiple inductor, which is mainly used when constructing a delay line or a filter, and in which a coil is wound in a plurality of sections.
この種の多連インダクタ用ボビンは、巻回され
る夫々のコイルのインダクタンスと、そのコイル
間の電磁気的な結合を正確に設定できることが重
要である。
For this type of multiple inductor bobbin, it is important to be able to accurately set the inductance of each coil wound and the electromagnetic coupling between the coils.
通常フエライトや合成樹脂で形成されるが、小
型化の著しく進む現状では角形の鍔であればその
１辺は４mm以下、鍔間の巻溝の幅が３mm以下にも
なるので、フエライトを用いて鍔と巻溝の連続す
る細長い１軸形状のこのようなボビンを歩留まり
良く成型することは難しく、鍔等が部分的に欠け
る事故が生じやすい。また、コイル間の結合が大
きくなり結合の調節が難しい。 It is usually made of ferrite or synthetic resin, but as miniaturization continues to progress, one side of a square tsuba is less than 4 mm, and the width of the winding groove between the tsuba is less than 3 mm, so ferrite is used. It is difficult to mold such an elongated uniaxial bobbin with a continuous flange and winding groove at a high yield, and accidents such as partial chipping of the flange are likely to occur. In addition, the coupling between the coils becomes large, making it difficult to adjust the coupling.
合成樹脂の場合には、成型が容易であるがコイ
ルのインダクタンスを大きくすることが困難であ
る。合成樹脂にフエライト等の磁性体の粉末を混
入することも行われるが、全体の透磁率を均一に
することが難しく、夫々のコイルのインダクタン
スやコイル間の結合にばらつきを生ずる。 In the case of synthetic resin, it is easy to mold, but it is difficult to increase the inductance of the coil. Mixing powder of magnetic material such as ferrite into the synthetic resin is also practiced, but it is difficult to make the overall magnetic permeability uniform, resulting in variations in the inductance of each coil and the coupling between the coils.
本考案の課題は、合成樹脂で形成することによ
り多連インダクタ用ボビンの成型を容易にするこ
とにある。
An object of the present invention is to facilitate the molding of a bobbin for a multiple inductor by forming it from a synthetic resin.
また、コイルが巻回される巻溝の部分に磁性体
を配置したり、またその粉末を混入することによ
りその間の鍔に比較して磁気抵抗を小さくし、さ
らにその磁性体の位置や鍔の厚みにより磁気抵抗
の小さい部分の間隔を変えて、巻回される夫々の
コイルのインダクタンスと、そのコイル間の結合
を正確に設定できる多連インダクタ用ボビンを提
供するとにある。 In addition, by arranging a magnetic material in the winding groove where the coil is wound, or by mixing powder of the magnetic material, the magnetic resistance can be made smaller than that of the tsuba between them. To provide a bobbin for a multiple inductor, in which the inductance of each wound coil and the coupling between the coils can be accurately set by changing the interval between parts of low magnetic resistance depending on the thickness.
本考案の多連インダクタ用ボビンは、３個以上
の鍔とその鍔によつて区切られたコイルの巻溝を
合成樹脂で形成してあり、巻溝には鍔の部分で外
部に露呈して電極又はコイルの接続部の役割をす
る金属片と、該金属片に支持された磁性体を埋設
してあることを特徴とする。
The multiple inductor bobbin of the present invention has three or more flanges and a coil winding groove separated by the flanges made of synthetic resin. It is characterized by having a metal piece that serves as a connection part for an electrode or a coil, and a magnetic material supported by the metal piece buried therein.
あるいはまた、巻溝の樹脂には磁性体の粉末を
混入させてもよい。 Alternatively, magnetic powder may be mixed into the resin of the winding groove.
以下、本考案の多連インダクタ用ボビンの実施
例を示す第１図の正面図、第２図の平面図を参照
しながら説明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a bobbin for multiple inductors according to the present invention will be described below with reference to a front view in FIG. 1 and a plan view in FIG. 2.
第１図、第２図において、１は鍔、２は巻線、
３は非磁性体の金属片、４は直方体のフエライト
からなる磁性体である。 In Figures 1 and 2, 1 is the tsuba, 2 is the winding,
3 is a non-magnetic metal piece, and 4 is a magnetic body made of rectangular parallelepiped ferrite.
鍔１と巻溝２は合成樹脂から形成されるが、金
属片３と磁性体４はその合成樹脂内部に点線で表
すように埋設されている。金属片３は鍔１の対向
する両側面から外部に露呈しており、面接続用の
電極５とコイルの接続部６を形成してある。鍔１
からコイルの巻回される巻溝２の内部に延在して
いる金属片３はＴ字状の平板により形成され、巻
溝２で磁性体４を支持した状態で埋設されてい
る。 The collar 1 and the winding groove 2 are made of synthetic resin, and the metal piece 3 and magnetic material 4 are embedded inside the synthetic resin as shown by dotted lines. The metal piece 3 is exposed to the outside from both opposing sides of the collar 1, and forms a connection part 6 between the electrode 5 for surface connection and the coil. Tsuba 1
A metal piece 3 extending inside the winding groove 2 around which the coil is wound is formed of a T-shaped flat plate, and is embedded in the winding groove 2 with the magnetic body 4 supported therein.
このようなボビンの構成により、巻溝２の磁気
抵抗は小さく、磁性体４の存在しない鍔１のそれ
は大きくなる。夫々の巻溝２に巻回されるコイル
のインダクタンスは磁性体４の寸法や透磁率によ
り調節できるし、特にコイル間の結合は磁性体４
を金属片３上で移動したり、金属片３の位置を変
化させて磁性体４の間隔をボビンの長さ方向に沿
つて変えることにより調節できる。磁性体４の位
置や間隔は、磁性体４が金属片３で支持されてい
るので正確に調節できる。製造時は、リードフレ
ームの状態の金属片３に磁性体４を載置固定して
樹脂封止し、その後金属片３をリードフレームか
ら切断分離して加工して電極５や接続部６を形成
するとよい。 With such a structure of the bobbin, the magnetic resistance of the winding groove 2 is small, and that of the collar 1 without the magnetic body 4 is large. The inductance of the coils wound in each winding groove 2 can be adjusted by the dimensions and magnetic permeability of the magnetic body 4, and in particular the coupling between the coils can be adjusted by adjusting the magnetic body 4.
It can be adjusted by moving the metal piece 3 on the metal piece 3 or changing the position of the metal piece 3 to change the spacing between the magnetic bodies 4 along the length direction of the bobbin. The position and spacing of the magnetic bodies 4 can be accurately adjusted because the magnetic bodies 4 are supported by the metal pieces 3. During manufacturing, a magnetic body 4 is placed and fixed on a metal piece 3 in the form of a lead frame and sealed with resin, and then the metal piece 3 is cut and separated from the lead frame and processed to form electrodes 5 and connection parts 6. It's good to do that.
なお７は、電極５とコイルの接続部６だけを形
成した金属片であり、磁性体４を支持する金属片
３とは異なる。金属片３は鍔１から露呈していれ
ばよく、接続部又は接続部を兼ねた電極だけを形
成する場合もある。磁性体４は結合状態により、
鍔１内に延在する場合もある。 Note that 7 is a metal piece that forms only the connection part 6 between the electrode 5 and the coil, and is different from the metal piece 3 that supports the magnetic body 4 . The metal piece 3 only needs to be exposed from the collar 1, and may form only a connecting portion or an electrode that also serves as a connecting portion. Depending on the bonding state of the magnetic body 4,
It may extend into the tsuba 1 in some cases.
第３図と第４図は、本考案の多連インダクタ用
ボビンの他の実施例を示す夫々平面図と製造途中
の平面図である。 3 and 4 are a plan view and a plan view, respectively, showing another embodiment of the bobbin for multiple inductors according to the present invention, and a plan view of the bobbin in the process of being manufactured.
第３図と第４図において、１０と１１は夫々鍔
と巻溝であり合成樹脂から形成されるが、巻溝１
１はフエライト等の磁性体の粉末を混入してあ
る。金属片１２はボビンの両端に位置するＴ字状
のものの外は十字状をなしており、鍔１０から巻
溝１１に延在して埋設され、その両端は金属片３
と同じように鍔１０に対向する側面から外部に露
呈して電極１３とコイルの接続部１４を形成して
いる。 In FIGS. 3 and 4, 10 and 11 are a flange and a winding groove, respectively, which are made of synthetic resin, and the winding groove 1
No. 1 is mixed with powder of magnetic material such as ferrite. The metal pieces 12 are T-shaped at both ends of the bobbin, and are cross-shaped on the outside, and extend from the collar 10 into the winding groove 11 and are buried, and the metal pieces 3 are located at both ends of the bobbin.
Similarly, a connecting portion 14 between the electrode 13 and the coil is exposed to the outside from the side facing the collar 10.
金属片１２の巻溝１１に延在する部分１５は、
鍔１０と巻溝１１を強固に固着する役割をする。
すなわち、巻溝１１には磁性体を混入させてある
ので鍔１０と巻溝１１の樹脂は別体に形成するの
が好都合であり、通常第４図に示すように鍔１０
となる部分１０Ａ内に金属片１２となるリードフ
レーム１２Ａを埋設した後、その部分１０Ａ間に
巻溝１１となる磁性体を混入させた樹脂が注入さ
れ、部分１０Ａに固着される。その際に、巻溝１
１に延在する部分１５となるリードフレームの部
分１５Ａを部分１０Ａ間に露呈させておき、磁性
体を混入させた樹脂内に埋設させて、前記した役
割を持たせることができる。 The portion 15 of the metal piece 12 extending into the winding groove 11 is
It serves to firmly fix the collar 10 and the winding groove 11.
That is, since the magnetic material is mixed in the winding groove 11, it is convenient to form the resin of the collar 10 and the resin of the winding groove 11 separately.Usually, as shown in FIG.
After embedding the lead frame 12A, which will become the metal piece 12, in the part 10A, a resin mixed with a magnetic material, which will become the winding groove 11, is injected between the parts 10A and fixed to the part 10A. At that time, winding groove 1
A portion 15A of the lead frame, which becomes the portion 15 extending from the lead frame 1, is exposed between the portions 10A, and is embedded in a resin mixed with a magnetic substance, so that it can have the above-mentioned role.
このように構成された本考案のボビンは、磁性
体の粉末を混入された巻溝１１の磁気抵抗は小さ
く、粉末の混入されない鍔１０のそれは大きい。
夫々の巻溝１１に巻回されるコイルのインダクタ
ンスは磁性体の粉末の混入する割合により調節で
きるし、コイル間の結合は鍔１０の厚みｔを変化
させて巻溝１１間の距離を変えることにより調節
できる。粉末の混入は巻溝１１だけでありボビン
全体ではないので、比較的に均一に混入でき巻溝
１１ごとの透磁率のばらつきも小さくなる。また
金属片１２は、鍔１０だけに埋設される場合もあ
る。なお金属片１２の部分１５には、図示してい
ないが、金属片３のように磁性体を載置する。 In the bobbin of the present invention constructed in this manner, the magnetic resistance of the winding groove 11 mixed with magnetic powder is small, and that of the collar 10 without powder mixed therein is large.
The inductance of the coils wound around each winding groove 11 can be adjusted by adjusting the proportion of magnetic powder mixed in, and the coupling between the coils can be achieved by changing the distance between the winding grooves 11 by changing the thickness t of the collar 10. It can be adjusted by Since the powder is mixed only in the winding groove 11 and not in the entire bobbin, the powder can be mixed relatively uniformly, and variations in magnetic permeability among the winding grooves 11 can be reduced. Moreover, the metal piece 12 may be buried only in the collar 10. Although not shown, a magnetic material is placed on the portion 15 of the metal piece 12, like the metal piece 3.
以上述べたように本考案の多連インダクタ用ボ
ビンは、全体を合成樹脂で形成することにより成
型が容易になり歩留まりを向上させることができ
る。
As described above, the bobbin for a multiple inductor of the present invention is made entirely of synthetic resin, which facilitates molding and improves yield.
また、コイルの巻回される巻溝に磁性体を配置
したり、また磁性体の粉末を混入することにより
鍔の部分に比較して磁気抵抗を小さくし、その磁
性体の位置や鍔の厚みにより磁気抵抗の小さい部
分の間隔を変えることができる。 In addition, by placing a magnetic material in the winding groove where the coil is wound, or by mixing magnetic powder, the magnetic resistance can be made smaller than that of the collar, and the position of the magnetic material and the thickness of the collar can be adjusted. It is possible to change the spacing between the parts with low magnetic resistance.
磁性体を配置する場合には電極を形成する金属
片で支持されているので、その位置の調節が正確
に行える。磁性体の支持は、電極を形成する金属
片で兼用できるので都合がよい。 When the magnetic material is placed, it is supported by metal pieces forming electrodes, so its position can be adjusted accurately. This is convenient because the magnetic material can be supported by the metal pieces that form the electrodes.
磁性体の粉末を混入する場合でも、ボビンの巻
溝だけなので透磁率のばらつきは全体に混入する
場合よりも小さくなる。 Even when magnetic powder is mixed in, since it is only in the winding groove of the bobbin, the variation in magnetic permeability is smaller than when it is mixed throughout.
本考案の多連インダクタ用ボビンは、このよう
にして夫々のコイルのインダクタンスやコイル間
の結合を正確に設定できる大きな利点がある。 The bobbin for multiple inductors of the present invention has the great advantage that the inductance of each coil and the coupling between coils can be set accurately in this way.
第１図は本考案の多連インダクタ用ボビンの実
施例を示す正面図、第２図は平面図、第３図は他
の実施例を示す平面図、第４図は第３図の多連イ
ンダクタ用ボビンの製造途中の平面図である。
１……鍔、２……巻溝、３……金属片、４……
磁性体。
FIG. 1 is a front view showing an embodiment of the bobbin for multiple inductors of the present invention, FIG. 2 is a plan view, FIG. 3 is a plan view showing another embodiment, and FIG. 4 is a multiple inductor bobbin of the present invention. It is a top view of an inductor bobbin in the middle of manufacturing. 1... Tsuba, 2... Winding groove, 3... Metal piece, 4...
magnetic material.
Claims (1)
イルの巻溝を合成樹脂で形成してあり、巻溝に
は鍔の部分でその一部分が外部に露呈して電極
又はコイルの接続部の役割をする金属片と、該
金属片に支持された磁性体を埋設してあること
を特徴とする多連インダクタ用ボビン。 (2) ３個以上の鍔とその鍔によつて区切られたコ
イルの巻溝を合成樹脂で形成してあり、巻溝の
該樹脂には磁性体の粉末を混入させ、鍔にはそ
の一部分が外部に露呈して電極又はコイルの接
続部の役割をする金属片を埋設してあり、巻溝
にはその巻溝まで延在する該金属片で支持され
た磁性体を埋設してあることを特徴とする多連
インダクタ用ボビン。[Claims for Utility Model Registration] (1) Three or more flanges and the winding groove of the coil separated by the flanges are formed of synthetic resin, and the winding groove has a portion of the flanges that is external to the winding groove. 1. A bobbin for a multiple inductor, characterized in that a metal piece is exposed to serve as a connecting part for an electrode or a coil, and a magnetic body supported by the metal piece is buried therein. (2) Three or more flanges and the winding grooves of the coil separated by the flanges are made of synthetic resin, and the resin of the winding grooves is mixed with magnetic powder, and a part of the flanges is mixed with magnetic powder. A metal piece that is exposed to the outside and serves as a connecting part for an electrode or coil is embedded, and a magnetic material supported by the metal piece that extends to the winding groove is embedded in the winding groove. A bobbin for multiple inductors featuring the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048087U JPH0543452Y2 (en) | 1989-04-24 | 1989-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048087U JPH0543452Y2 (en) | 1989-04-24 | 1989-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02138408U JPH02138408U (en) | 1990-11-19 |
| JPH0543452Y2 true JPH0543452Y2 (en) | 1993-11-02 |
Family
ID=31564586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989048087U Expired - Lifetime JPH0543452Y2 (en) | 1989-04-24 | 1989-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543452Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2707482B2 (en) * | 1992-11-30 | 1998-01-28 | 東光株式会社 | Bobbin for multiple inductor and method of manufacturing the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5748723B2 (en) * | 1979-04-20 | 1982-10-18 | ||
| JPS63287011A (en) * | 1987-05-19 | 1988-11-24 | Matsushita Electric Ind Co Ltd | Coil component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5748723U (en) * | 1980-09-04 | 1982-03-18 |
-
1989
- 1989-04-24 JP JP1989048087U patent/JPH0543452Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5748723B2 (en) * | 1979-04-20 | 1982-10-18 | ||
| JPS63287011A (en) * | 1987-05-19 | 1988-11-24 | Matsushita Electric Ind Co Ltd | Coil component |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02138408U (en) | 1990-11-19 |
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